US3208329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety bolt
Assignee: Individual
•
Filing: 1963-09-26
•
Granted: 1965-09-28
•
Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 Kent L Copeland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:32
CPC Classifications
F; F16; F16B; F16B41/00; F16B41/002; F16B21/00; F16B21/10; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/945; Y10S411/999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |